Which disease is caused by a bacterium without a cell wall?

a) Pneumococcal pneumonia
b) Mycoplasmal pneumonia
c) Legionellosis
d) Psittacosis


Ans: b) Mycoplasmal pneumonia

Biology & Microbiology

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There are many genes in archaeal genomes that have no known function

Indicate whether the statement is true or false.

Biology & Microbiology

What is the sticky female region of a flower that is specialized for receiving pollen?

a. stamen b. stigma c. anther d. ovary e. endosperm

Biology & Microbiology

Which of the following does not change the amount of genetic material on a chromosome?

A: A deletion B: An inversion C: A duplication D: A translocation E: All of the above change the amount of genetic material on a chromosome.

Biology & Microbiology

During animal development, changes in cell position occur extensively during _____.

Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology